Jegs says the ports on the AFR 205's/225's are 1/8' higher than stock. 750' raised exhaust runners, extra strong castings and thick decks. TFS 225 High Ports, fully CNCd intake runners, exhaust runners, and combustion. I have a few questons about the raised exhaust ports on these heads. Trick Flow High Port 225 cylinder heads are specifically designed for large cubic inch small block Ford engines as well as engines with high-boost superchargers or turbos, big shot nitrous oxide systems, and other mega-power combinations. Trick Flow® High Port® 225 cylinder heads are available fully assembled or as bare castings and sold individually. The TFS High Ports are some of the best 20 degree heads on the market. very high horsepower numbers from our pump gas engine program with it.
These heads share many of the same exclusive features of High Port 192 Fast As Cast headsunique valve spacing, raised exhaust runners, extra strong castings. The TFS Hi Port is the best performing in line 20 degree Ford cylinder head on. Other features include fully CNC-profiled combustion chambers with port-to-valve seat blending (bowl blending) and raised valve cover rails. High Port® 240 cylinder heads for small block Ford are specifically designed for large cubic inch, large power adder, big shot nitrous oxide, and other mega-power combinations. Plus, interlocking ductile iron seats are used to handle the stresses of high heat, high horsepower applications. The entry into the intake runner has been reshaped to help seal the area along the port roof and thicker port walls increase strength and provide additional material for porting. Top-of-the-line CNC Competition Ported runners with a high resolution surface finish provide maximum airflow and power over the entire rpm range. 750" raised exhaust runners, extra strong castings and thick decks for additional rigidity and gasket integrity, superior cooling characteristics, and most importantly, excellent airflow. Trick Flow® High Port® 225 cylinder heads are specifically designed for large cubic inch small block Ford engines as well as engines with high-boost superchargers or turbos, big shot nitrous oxide systems, and other mega-power combinations.